Balsamiq Mockups allows software designers and developers build great software by letting them easily sketch out their ideas, then quickly collaborate and iterate over them. Mockups offers the same speed and rough feel as sketching with a pencil, but with the advantage of the digital medium: enlarging containers is just a drag operation.
Inkscape is an open sourced business graphic software. This Linux, Windows & OSX vector graphics editor features transparency, gradients, node editing, pattern fills and PNG export.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.